57

57 is an odd composite number composed of two prime numbers multiplied together.

What does the number 57 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

57 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 57:

3 × 19

See below for interesting mathematical facts about the number 57 from the Numbermatics database.

Names of 57

Cardinal: 57 can be written as Fifty-seven.

Scientific notation

Scientific notation: 5.7 × 10¹

Factors of 57

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 22

Divisors of 57

Number of divisors d(n): 4
Complete list of divisors:
1 3 19 57
Sum of all divisors σ(n): 80
Sum of proper divisors (its aliquot sum) s(n): 23
57 is a deficient number, because the sum of its proper divisors (23) is less than itself. Its deficiency is 34

Bases of 57

Binary: 111001₂
Hexadecimal: 0x39
Base-36: 1L

Squares and roots of 57

57 squared (57²) is 3249
57 cubed (57³) is 185193
The square root of 57 is 7.5498344353
The cube root of 57 is 3.8485011313

Scales and comparisons

How big is 57?

A cube with a volume of 57 cubic inches would be around 0.3 feet tall.

Recreational maths with 57

57 backwards is 75
The number of decimal digits it has is: 2
The sum of 57's digits is 12
More coming soon!

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The information we have on file for 57 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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